Advertisement inserting VOD delivery method and VOD server

Abstract

A VOD server refers to advertisement delivery information, and inserts a stream of advertising content in a stream of video content of a main part, based on advertisement inserting position information indicating an inserting position of the advertising content to be inserted into the video content of the main part, for delivery to a client terminal. When making this delivery, at least time information, such as time management information of reproduced output or decoding, to be added to the stream of the video content of the main part and the stream of the advertising content to be delivered to the client terminal, is replaced by time information in accordance with an order of the streams to be delivered to the client terminal.

1. An advertisement inserting VOD delivery method comprising:
 inserting a stream of an advertising content of an advertisement into a stream of a video content of a main part to be delivered to a client terminal, based on advertisement inserting position information indicating an inserting position of the advertising content to be inserted into the video content of the main part; 
 replacing first time information to be added to the stream of the video content of the main part and second time information to be added to the stream of the advertising content to be delivered to the client terminal; and 
 delivering, to the client terminal the stream of the video content of the main part and the stream of the advertising content that are added with the continuous time information, and 
 wherein the first time information to be added to the stream of the video content of the main part includes a program time reference value of the main part, time management information of a reproduced output of the main part, and time management information of decoding of the main part, and 
 wherein the second time information to be added to the stream of the advertising content of the advertisement includes a program time reference value of the advertisement, the time management information of a reproduced output of the advertisement, and the time management information of decoding of the advertisement. 
 
     
     
       2. The advertisement inserting VOD delivery method as claimed in  claim 1 ,
 wherein the continuous time information is computed and stored in advance in the order of the streams to be delivered to the client terminal, based on the advertisement inserting position information and the first time information added to each stream of the video content of each main part and the second time information added to each stream of the advertising content of each advertisement, for each combination of the video content of each main part and the advertising content of each advertisement. 
 
     
     
       3. The advertisement inserting VOD delivery method as claimed in  claim 1 , wherein the advertisement is interchanged with another advertisement by changing the advertisement inserting information. 
     
     
       4. A VOD server comprising:
 a content control unit configured to insert a stream of an advertising content of an advertisement into a stream of a video content of a main part to be delivered to a client terminal, based on advertisement inserting position information indicating an inserting position of the advertising content to be inserted into the video content of the main part; 
 a time information inserting unit configured to replace first time information to be added to the stream of the video content of the main part and second time information to be added to the stream of the advertising content to be delivered to the client terminal by continuous time information in accordance with an order of the streams to be delivered to the client terminal; and 
 a delivering unit configured to deliver, to the client terminal, the stream of the video content of the main part and the stream of the advertising content that are added with the continuous time information, 
 wherein the first time information to be added to the stream of the video content of the main part includes a program time reference value of the main part, time management information of a reproduced output of the main part, and time management information of decoding of the main part, and 
 wherein the second time information to be added to the stream of the advertising content of the advertisement includes a program time reference value of the advertisement, the time management information of a reproduced output of the advertisement, and the time management information of decoding of the advertisement. 
 
     
     
       5. The VOD server as claimed in  claim 4 ,
 wherein the continuous time information is computed and stored in advance in the order of the streams to be delivered to the client terminal, based on the advertisement inserting position information and the first time information added to each stream of the video content of each main part and the second time information added to each stream of the advertising content of each advertisement, for each combination of the video content of each main part and the advertising content of each advertisement. 
 
     
     
       6. The VOD server as claimed in  claim 4 , wherein the advertisement is interchanged with another advertisement by changing the advertisement inserting information.